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<?php |
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namespace App\Security\Session; |
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use App\Entity\User; |
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use DateTimeImmutable; |
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use Doctrine\DBAL\Connection; |
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use Doctrine\DBAL\Exception; |
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use Doctrine\DBAL\Schema\Schema; |
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use Doctrine\DBAL\Types\Types; |
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use Symfony\Component\HttpFoundation\RequestStack; |
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/** |
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* Helper to resolve active sessions. As the default PdoSessionHandler does not support |
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* this, we add support by storing the relationship between a user and his/her sessions |
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* in a separate database table. |
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* |
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* We use an EventSubscriber (ActiveSessionsSubscriber.php) to create such relationship |
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* after a successful login. |
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*/ |
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class ActiveSessionsResolver { |
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public function __construct(private readonly Connection $connection, private readonly RequestStack $requestStack) { |
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} |
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/** |
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* @param User $user |
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* @return ActiveSession[] |
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* @throws Exception |
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* @throws \Exception |
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*/ |
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public function getSessionsForUser(User $user): array { |
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$result = $this->connection->executeQuery('SELECT * FROM session_user WHERE user_id = ?', [$user->getId()]); |
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$sessions = [ ]; |
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$currentSessionId = $this->requestStack->getMainRequest()->getSession()->getId(); |
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foreach($result->fetchAllAssociative() as $row) { |
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$sessions[] = new ActiveSession( |
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(int)$row['user_id'], |
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$row['session_id'], |
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$row['user_agent'], |
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new DateTimeImmutable($row['started_at']), |
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$row['ip_address'], |
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$row['session_id'] === $currentSessionId |
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); |
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} |
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return $sessions; |
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} |
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public function configureSchema(Schema $schema, Connection $forConnection): void { |
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if($this->connection !== $forConnection) { |
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return; |
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} |
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if($schema->hasTable('session_user')) { |
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return; |
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} |
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$this->addTableToSchema($schema); |
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} |
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private function addTableToSchema(Schema $schema): void { |
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$table = $schema->createTable('session_user'); |
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$table->addColumn('user_id', Types::INTEGER, ['unsigned' => true, 'length' => 10]); |
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$table->addColumn('session_id', Types::BINARY, ['length' => 128]); |
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$table->addColumn('user_agent', Types::TEXT, ['notnull' => false]); |
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$table->addColumn('started_at', Types::DATETIME_IMMUTABLE); |
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$table->addColumn('ip_address', Types::STRING, ['length' => 45, 'notnull' => false ]); |
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$table->addForeignKeyConstraint('user', ['user_id'], ['id'], ['onUpdate' => 'CASCADE', 'onDelete' => 'CASCADE']); |
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$table->addForeignKeyConstraint('sessions', ['session_id'], ['sess_id'], ['onUpdate' => 'CASCADE', 'onDelete' => 'CASCADE']); |
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} |
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} |
SchulIT /
idp
